CLEVELAND (AP) - LeBron James scored 30 points, Kyrie Irving added 26 and Cleveland finally shook off Boston in the fourth quarter to take a 2-0 lead in their opening-round series.

James scored 15 points in the fourth quarter, moved past Hall of Famer Jerry West on the career playoff scoring list and made sure the Cavs didn't slip up at home. He and Irving combined for all of Cleveland's 24 points in the final period.

HOUSTON (AP) - Dwight Howard scored 28 points and James Harden added 24 to help Houston coast to a 2-0 lead in the Western Conference playoff series.

Howard and Josh Smith dominated early in the fourth quarter to help the Rockets pull away.

The Mavericks scored the first four points of the fourth quarter to take a three-point lead. But with Harden on the bench, Houston scored the next 11 points, powered by three alley-oop passes from Smith to Howard, to take a 92-84 lead with about 8 minutes left.

Smith finished with 15 points, nine assists and eight rebounds.

Monta Ellis had 24 points for Dallas, which hosts Game 3 on Friday night.